Patents
Patents for C01B 31 - Carbon; Compounds thereof (38,010)
02/1992
02/12/1992CN1015449B Process and apparatus for shaping carbonaceous blocks by multiaxial compacting
02/12/1992CN1015433B Aftertreatment of active carbon
02/11/1992US5087435 Fused compact of diamond and graphite
02/11/1992US5087434 Synthesis of diamond powders in the gas phase
02/11/1992US5087374 Removal of contaminates from granular solids
02/06/1992DE4023477A1 Process and assembly for electrical desorption - and regeneration of carbon granules allowing redn. in energy consumption for desorption
02/05/1992EP0470063A2 Method and apparatus for graphitization of carbon bodies
02/05/1992EP0469781A2 Separation of carbon dioxide and nitrogen from combustion exhaust gas with nitrogen and argon by-product recovery
02/05/1992EP0469463A1 Metal-magnesium compounds, process for preparing same and the use thereof for the preparation of finely divided metal and alloy powders and intermetallic compounds
02/04/1992US5086033 Pyrlysis of carbon containing compound to narrow pore size by deposition
02/02/1992WO1992002647A1 Process for controlling the product quality in the conversion of reactor feed into iron carbide
02/02/1992WO1992002646A1 Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
02/02/1992WO1992002458A1 Fluidized bed reactor and process for using same
02/02/1992CA2087608A1 Fluidized bed reactor and process for using same
02/02/1992CA2087601A1 Process for controlling the product quality in the conversion of reactor feed into iron carbide
02/02/1992CA2047934A1 Process and apparatus for graphitizing carbon bodies
01/1992
01/29/1992EP0468904A1 Method for making impervious pieces of carbon composite material
01/29/1992EP0281636B1 Process for producing filler from coal
01/29/1992CN1058154A 甲醇的羰基化 Carbonylation of methanol of
01/28/1992CA1294835C Modified powder or particulate material
01/26/1992CA2041719A1 Process for the enhanced production of silver from gold and silver bearing ore
01/25/1992WO1992001492A1 Forming carbon dioxide in multi-phase molten bath
01/25/1992CA2087252A1 Forming carbon dioxide in multi-phase molten bath
01/22/1992EP0467658A2 Catalytic conversion of carbon monoxide from carbonaceous heat sources
01/22/1992EP0467486A1 Process for producing high surface area activated carbon
01/21/1992US5082872 Surface properties
01/21/1992US5082642 Method for catalyzing oxidation/reduction reactions of simple molecules
01/21/1992US5082594 Material for polarizable electrode
01/21/1992CA1294634C Titanium diboride/boron carbide composites with high hardness and toughness
01/14/1992US5080879 Process for producing silicon carbide platelets and the platelets so produced
01/14/1992US5080025 Cocurrent oxidation method in a multiple hearth furnace
01/09/1992WO1992000244A1 Method for manufacturing activated carbon from cellulosic material
01/09/1992WO1992000243A1 Method for extraction of diamonds from a diamond-containing detonated charge
01/08/1992EP0465092A2 A composite gasket material
01/08/1992EP0464745A2 Process for preparing iron carbide fine particles
01/08/1992EP0464107A1 Controlled release of desired product through the controlled reaction of precursor
01/07/1992US5079209 Coated Silver Oxide Pellets
01/07/1992US5078927 Mixing pitch and(or) coal with quartz sand
01/03/1992CA2046047A1 Process for preparing iron carbide fine particles
01/02/1992EP0463663A1 Process for the disposal of carbon dioxide
01/02/1992EP0463050A1 Process
01/02/1992EP0463049A1 Apparatus
12/1991
12/31/1991US5076845 Process for producing formed carbon products
12/31/1991US5076054 Woven or braided silicon carbide fiber tube; vapor deposition of silicon carbide on inner walls; stress resistant; minimizes decrease in exhaust gas temperature; liners
12/27/1991EP0462575A2 Cathode active material for lithium secondary batteries
12/27/1991EP0462388A2 Coated particles, hollow particles, and process for manufacturing the same
12/27/1991EP0462288A1 Process for producing porous carbonaceous material
12/27/1991EP0277170B1 Separation process
12/25/1991CN1057241A Active carbon fibre mfg. method
12/24/1991US5075095 Low pressure plasma enhanced vapor deposition; consolidation
12/18/1991EP0461802A2 Carbonylation of methanol
12/17/1991US5073454 Coating part of surface with intumescent material
12/17/1991US5073356 Integrated processes for the production of carbon monoxide
12/17/1991US5073194 Process for controlling the product quality in the conversion of reactor feed into iron carbide
12/17/1991US5073193 Method of collecting plasma synthesize ceramic powders
12/17/1991US5073107 Rotary drum furnace having burners which heat quartz sand bed
12/13/1991CA2044224A1 Carbonylation of methanol
12/12/1991DE4018391A1 Prodn. of active coke from untreated coal - by low temp. carbonisation on contact with heated solid heat carrier in rotary drum
12/11/1991EP0460244A1 Apparatus and process for desorbing active carbon
12/11/1991CN1056852A Process and apparatus for graphitizing carbon bodies
12/10/1991US5071820 Carbonaceous material with high micropore and low macropore volume and process for producing same
12/10/1991US5071813 Carbides, nitrides, or carbonitrides of molybdenum, tungsten, iron, cobalt, nickel
12/10/1991US5071473 Homogeneous microstructure; hardness, coercive force
12/10/1991US5071450 Pyrolysis of a carbon-containing organic compound to deposit carbon to narrow pare size; selective adsorption
12/04/1991EP0459970A1 Process and apparatus for graphitizing carbon bodies
12/04/1991CN1056663A Activated carbon produced by catalysis method
12/03/1991US5070274 Method for making diamond and apparatus therefor
12/03/1991US5070049 Starting composition for the production of silicon carbide and method of producing the same
12/03/1991US5069842 Process of shaping carbonaceous blocks by multiaxial compacting
12/03/1991US5069689 Closed loop pollution control system
12/01/1991CA2041399A1 Process and apparatus for graphitizing carbon bodies
11/1991
11/27/1991EP0458548A1 Carbon beads, process of producing the same and chromatography column containing the same
11/27/1991EP0044867B2 Methods for the continuous production of silicon carbide
11/26/1991US5068026 Process for the production of non-puffing shaped carbon bodies
11/26/1991US5068020 Forming smooth films; using ions of inert gases
11/19/1991US5066779 Polymerizing Naphthalene Using An Aluminum Chloride Catalyst
11/19/1991US5066515 Artificial diamond forming method
11/13/1991EP0455879A2 Synthesis of submicron powders under reduced oxygen pressure
11/13/1991EP0220198B1 Preparing metal compounds by pyrolysis
11/12/1991US5064915 Production of infusible polycarbosilanes convertible into silicon carbide ceramics
11/12/1991US5064805 Production of high quality activated carbon
11/06/1991EP0454688A1 Process for producing tungsten monocarbide.
11/06/1991CN1014587B Selective adsorption of c02 on zeolites
11/05/1991US5063107 Silicon carbide fibre and production thereof
11/05/1991US5063042 From addition polymer-impregnated novolak
11/05/1991US5062907 Hard magnetic material and magnet manufactured from such hard magnetic material
10/1991
10/31/1991DE4013340A1 Breaking down polyhalogenated hydrocarbon cpds. - contg. adsorbed mercury, by heating in absence of oxygen to desorb mercury and breakdown halo-cpds.
10/30/1991EP0453516A1 Process for preparing silicon carbide.
10/30/1991CN1055717A Regeneration furnace with function of saturated carbon recovery
10/29/1991US5061661 Carburization of tungusten; sintering carbide with cobalt
10/29/1991US5061292 Idiomorphic crystal grit having irregularly shaped core and growth layer
10/23/1991EP0452567A1 Fire resistant articles comprising nonfibrous and nongraphitic carbonaceous materials
10/23/1991CN1055525A Production of active carbon from boiler smoke
10/22/1991US5059411 Process and apparatus for the production of carbon monoxide
10/22/1991US5059407 Liquid carbon dioxide injection in exothermic chemical reactions
10/22/1991US5059405 Process and apparatus for purification of landfill gases
10/17/1991DE4011972A1 Prodn. of tungsten carbide - by premixing tungsten powder with carbon powder to physically attach them, before carburising in drum furnace
10/16/1991CN1055346A Liquid carbon dioxide injection in exothermic chemical reactions
10/15/1991US5058126 Silicon carbide beam as refractory in an open-arc furnace
10/15/1991US5057297 Method for producing elastic graphite structures